[INFO] updating cached repository mfcastellani/towerweb-nubank
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mfcastellani/towerweb-nubank
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mfcastellani/towerweb-nubank" "work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/mfcastellani/towerweb-nubank"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/mfcastellani/towerweb-nubank'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mfcastellani/towerweb-nubank" "work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/mfcastellani/towerweb-nubank"`
[INFO] [stderr] Cloning into 'work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/mfcastellani/towerweb-nubank'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 309eb785f7dbf16478dbad3fb661e996645a6b9d
[INFO] sha for GitHub repo mfcastellani/towerweb-nubank: 309eb785f7dbf16478dbad3fb661e996645a6b9d
[INFO] validating manifest of mfcastellani/towerweb-nubank on toolchain master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of mfcastellani/towerweb-nubank on toolchain try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing mfcastellani/towerweb-nubank
[INFO] finished frobbing mfcastellani/towerweb-nubank
[INFO] frobbed toml for mfcastellani/towerweb-nubank written to work/ex/pr-61753/sources/master#8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be/gh/mfcastellani/towerweb-nubank/Cargo.toml
[INFO] started frobbing mfcastellani/towerweb-nubank
[INFO] finished frobbing mfcastellani/towerweb-nubank
[INFO] frobbed toml for mfcastellani/towerweb-nubank written to work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/mfcastellani/towerweb-nubank/Cargo.toml
[INFO] crate mfcastellani/towerweb-nubank already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+8e948df707ea8a3c88c65bf2ffdcb2f1cf5491be-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking mfcastellani/towerweb-nubank against try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af for pr-61753
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61753/worker-7/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61753/sources/try#af22dfc7f56a5057c6b6120a65c74e7b6c1530af/gh/mfcastellani/towerweb-nubank:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+af22dfc7f56a5057c6b6120a65c74e7b6c1530af-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 08e4c9cbc70212c3a4aeb9d2581ca853aacea6a45370bf4c966d35888e898675
[INFO] running `"docker" "start" "-a" "08e4c9cbc70212c3a4aeb9d2581ca853aacea6a45370bf4c966d35888e898675"`
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]     Checking serde_plain v0.3.0
[INFO] [stderr]    Compiling serde_codegen_internals v0.14.2
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking flate2 v1.0.5
[INFO] [stderr]     Checking parking_lot_core v0.3.1
[INFO] [stderr]    Compiling pest_generator v2.0.0
[INFO] [stderr]     Checking h2 v0.1.13
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]     Checking parking_lot v0.6.4
[INFO] [stderr]     Checking tokio-reactor v0.1.7
[INFO] [stderr]    Compiling serde_derive v0.9.15
[INFO] [stderr]    Compiling http v0.1.14
[INFO] [stderr]     Checking tokio-uds v0.2.4
[INFO] [stderr]     Checking tokio-tcp v0.1.2
[INFO] [stderr]     Checking tokio-udp v0.1.3
[INFO] [stderr]    Compiling pest_derive v2.0.1
[INFO] [stderr]     Checking tokio v0.1.13
[INFO] [stderr]     Checking hyper v0.12.16
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]    Compiling tower-web-macros v0.3.2
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking tower-web v0.3.3
[INFO] [stderr] error[E0670]: `async fn` is not permitted in the 2015 edition
[INFO] [stderr]   --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/tower-web-0.3.3/src/codegen/mod.rs:53:5
[INFO] [stderr]    |
[INFO] [stderr] 53 |     async fn map_ok<T, E>(future: T) -> Result<T::Output, E>
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0670`.
[INFO] [stderr] error: Could not compile `tower-web`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "08e4c9cbc70212c3a4aeb9d2581ca853aacea6a45370bf4c966d35888e898675"`
[INFO] running `"docker" "rm" "-f" "08e4c9cbc70212c3a4aeb9d2581ca853aacea6a45370bf4c966d35888e898675"`
[INFO] [stdout] 08e4c9cbc70212c3a4aeb9d2581ca853aacea6a45370bf4c966d35888e898675